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[209.132.180.67]) by mx.google.com with ESMTP id y2si1945691pfy.29.2018.12.13.09.57.53; Thu, 13 Dec 2018 09:58:09 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=fail header.i=@xenosoft.de header.s=strato-dkim-0002 header.b=EIZaIkBh; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729680AbeLMRsp (ORCPT + 99 others); Thu, 13 Dec 2018 12:48:45 -0500 Received: from mo4-p01-ob.smtp.rzone.de ([85.215.255.51]:35459 "EHLO mo4-p01-ob.smtp.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728033AbeLMRso (ORCPT ); Thu, 13 Dec 2018 12:48:44 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1544723321; s=strato-dkim-0002; d=xenosoft.de; h=In-Reply-To:Date:Message-ID:References:Cc:To:From:Subject: X-RZG-CLASS-ID:X-RZG-AUTH:From:Subject:Sender; bh=Of7oTw5jTTkuJTzXvQHcn/Fc5ay4FOtgQImzS9tWHto=; b=EIZaIkBhUlN7OUsR7tN7dns4xKNVGMMkvplbPcZRlt9WPXV9bPHsNrg7UTvVtmXniJ bJIlcXUca+4EJ+QXehUg1yt71Los7RPm0jve8NUsDlrww0D0Nx0xGibZkbMbBPAtBIb/ WZuDZtYIlggtRSt8yHuRqQ4f7K4GTrfwakH/cA9wXaSW7StDwyQAJFS+nW4Zomsm6Irk nvdreagwHSIkZRj0XxWrH3U3X2AtU6fhxO0ig3AC7rQthYnyfpqnE9tVwzstAzaZapV9 svLWEzdUCNiSXCmZ3I3QtOJ0ppM0ElBSCexp7pyDFOqeANA6JmI1KydTdKV/rFtROtK+ v2bw== X-RZG-AUTH: ":L2QefEenb+UdBJSdRCXu93KJ1bmSGnhMdmOod1DhGM4l4Hio94KKxRySfLxnHfJ+Dkjp5G5MdirQj0WG7ClajjwgokhuvHTHIj4bTSStuhrtbw==" X-RZG-CLASS-ID: mo00 Received: from [IPv6:2a02:8109:a400:162c:e00d:b70a:c44f:a515] by smtp.strato.de (RZmta 44.8 AUTH) with ESMTPSA id e03c1euBDHmc3YM (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (curve secp521r1 with 521 ECDH bits, eq. 15360 bits RSA)) (Client did not present a certificate); Thu, 13 Dec 2018 18:48:38 +0100 (CET) Subject: Re: use generic DMA mapping code in powerpc V4 From: Christian Zigotzky To: Christoph Hellwig Cc: linux-arch@vger.kernel.org, Darren Stevens , linux-kernel@vger.kernel.org, Julian Margetson , linux-mm@kvack.org, iommu@lists.linux-foundation.org, Paul Mackerras , Olof Johansson , linuxppc-dev@lists.ozlabs.org References: <1ecb7692-f3fb-a246-91f9-2db1b9496305@xenosoft.de> <6c997c03-e072-97a9-8ae0-38a4363df919@xenosoft.de> <4cfb3f26-74e1-db01-b014-759f188bb5a6@xenosoft.de> <82879d3f-83de-6438-c1d6-49c571dcb671@xenosoft.de> <20181212141556.GA4801@lst.de> <2242B4B2-6311-492E-BFF9-6740E36EC6D4@xenosoft.de> <84558d7f-5a7f-5219-0c3a-045e6b4c494f@xenosoft.de> <20181213091021.GA2106@lst.de> <835bd119-081e-a5ea-1899-189d439c83d6@xenosoft.de> <76bc684a-b4d2-1d26-f18d-f5c9ba65978c@xenosoft.de> <20181213112511.GA4574@lst.de> Message-ID: Date: Thu, 13 Dec 2018 18:48:38 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.3 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: de-DE Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 13 December 2018 at 2:34PM, Christian Zigotzky wrote: > On 13 December 2018 at 12:25PM, Christoph Hellwig wrote: >> On Thu, Dec 13, 2018 at 12:19:26PM +0100, Christian Zigotzky wrote: >>> I tried it again but I get the following error message: >>> >>> MODPOST vmlinux.o >>> arch/powerpc/kernel/dma-iommu.o: In function >>> `.dma_iommu_get_required_mask': >>> (.text+0x274): undefined reference to `.dma_direct_get_required_mask' >>> make: *** [vmlinux] Error 1 >> Sorry, you need this one liner before all the patches posted last time: >> >> diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig >> index d8819e3a1eb1..7e78c2798f2f 100644 >> --- a/arch/powerpc/Kconfig >> +++ b/arch/powerpc/Kconfig >> @@ -154,6 +154,7 @@ config PPC >>       select CLONE_BACKWARDS >>       select DCACHE_WORD_ACCESS        if PPC64 && CPU_LITTLE_ENDIAN >>       select DYNAMIC_FTRACE            if FUNCTION_TRACER >> +    select DMA_DIRECT_OPS >>       select EDAC_ATOMIC_SCRUB >>       select EDAC_SUPPORT >>       select GENERIC_ATOMIC64            if PPC32 >> > Thanks. Result: PASEMI onboard ethernet works and the X5000 (P5020 > board) boots with the patch '0001-get_required_mask.patch'. > > -- Christian > > Next patch: '0002-swiotlb-dma_supported.patch' for the last good commit (977706f9755d2d697aa6f45b4f9f0e07516efeda). The PASEMI onboard ethernet works and the X5000 (P5020 board) boots. -- Christian